84262478371 has 2 divisors, whose sum is σ = 84262478372. Its totient is φ = 84262478370.

The previous prime is 84262478357. The next prime is 84262478423. The reversal of 84262478371 is 17387426248.

It is an a-pointer prime, because the next prime (84262478423) can be obtained adding 84262478371 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84262478371 - 2¹¹ = 84262476323 is a prime.

It is a super-2 number, since 2×84262478371² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84262478071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42131239185 + 42131239186.

It is an arithmetic number, because the mean of its divisors is an integer number (42131239186).

Almost surely, 2^84262478371 is an apocalyptic number.

84262478371 is a deficient number, since it is larger than the sum of its proper divisors (1).

84262478371 is an equidigital number, since it uses as much as digits as its factorization.

84262478371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 52.

The spelling of 84262478371 in words is "eighty-four billion, two hundred sixty-two million, four hundred seventy-eight thousand, three hundred seventy-one".